Find the sum of all solutions to tan2(x)−4tan(x)+1=0\tan^2(x) - 4\tan(x) + 1 = 0tan2(x)−4tan(x)+1=0 in the interval [0,π][0, \pi][0,π].
π\piπ
π2\frac{\pi}{2}2π
3π4\frac{3\pi}{4}43π
5π4\frac{5\pi}{4}45π